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Neolignans from Callistemon lanceolatus |
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| Authors: | Suthida Rattanaburi Wilawan Mahabusarakam Souwalak Phongpaichit Anthony R Carroll |
| Institution: | 1. Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand;2. Natural Product Research Center, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand;3. Department of Microbiology, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand;4. Griffith School of Environment (Gold Coast Campus), Griffith University, Queensland Q4222, Australia |
| Abstract: | Two neolignans, named callislignan A and B together with known C-methyl-flavonoids, a lignan and pentacyclic triterpenoid esters were isolated from the leaves of Callistemon lanceolatus. Their structures were characterized by spectroscopic methods. Callislignan A and B had antibacterial activity against Staphylococcus aureus ATCC25923 and MRSA SK1 with callislignan B having an MIC of 8 μg/mL. |
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